Author
Geological Survey (U.S.)
2
University of Arizona. State Bureau of Mines
2
Borman, R. G.
1
Bryn, Sean M.
1
Flores, Romeo M.
1
Forrester, James Donald, 1906-1979
1
Hanley, John H.
1
Johnson, Ronald C. 1950-
1
Lindner, J. B.
1
Nichols, Douglas J.
1
Rutledge, John
1
Scott, Glenn R., 1918-2012
1
Taylor, Richard B.
1
Weaver, Jean N.
1